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Published on: May 6, 2018
Spectrum of infections in Indian children with nephrotic syndrome
1Department of Nephrology, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India.
Insights
Infections are common in children with nephrotic syndrome, affecting 38%. Higher cholesterol and lower albumin levels are linked to increased infection risk in pediatric nephrotic syndrome patients.
Area of Science:
- Pediatric Nephrology
- Infectious Diseases
- Clinical Pediatrics
Background:
- Nephrotic syndrome is a kidney disorder affecting children.
- Infections are a significant concern in children with nephrotic syndrome.
- Understanding infection patterns is crucial for managing pediatric nephrotic syndrome.
Purpose of the Study:
- To analyze the types and frequency of infections in children with nephrotic syndrome.
- To identify risk factors associated with infectious complications in this population.
- To evaluate the impact of infections on mortality in pediatric nephrotic syndrome.
Main Methods:
- Retrospective analysis of 154 children diagnosed with nephrotic syndrome.
- Data collected included patient demographics, clinical characteristics, and infection types.
- Statistical analysis compared children with and without infectious complications.
Main Results:
- 38% of children experienced infectious complications, most commonly urinary tract infections, pulmonary tuberculosis, and peritonitis.
- Infectious complications were associated with higher serum cholesterol and lower serum albumin levels.
- Children with frequent relapses, steroid dependence, or non-response to treatment had a higher infection frequency.
- Two of three deaths were attributed to infections.
Conclusions:
- Infectious complications are prevalent in pediatric nephrotic syndrome.
- Serum lipid and albumin levels may serve as indicators for infection risk.
- Close monitoring and management of infections are vital in children with nephrotic syndrome, especially those with frequent relapses or steroid dependency.
Abstract:
We conducted a retrospective analysis of infections in 154 children (114 boys, 40 girls) with nephrotic syndrome who satisfied the International Study of Kidney Disease in Children criteria. Their mean age at onset of symptoms was 6.2 years (range 6 months to 16 years) and the mean duration of follow-up was 32 months (range 6-55 months). One or more infectious complications were observed in 59 of the 154 children (38%), with urinary tract infection being the commonest (13.7%), followed by pulmonary tuberculosis (10.4%), peritonitis (9.1%), skin infections (5.2%), upper respiratory infections (5.2%), lower respiratory tract infections (3.9%) and pyomeningitis (0.6%). There were 3 deaths, the mortality in 2 patients being attributable to infections. There was no significant difference between children who developed infection and those who didn't in terms of age of onset, sex, duration of disease, serum creatinine, blood urea nitrogen and 24-h proteinuria. However, the children who developed infectious complications had significantly higher serum cholesterol levels (P < 0.01) and lower serum albumin levels (P < 0.02). The frequency of infections was higher in children who were frequent relapsers, steroid dependent and subsequent non-responders (28/60) compared with infrequent relapsers and initial non-responders (29/94).
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